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Funinfo

Funinfop

Recognizer for funinfo structures.

Signature
(funinfop x) → *

Definitions and Theorems

Function: funinfop

(defun funinfop (x)
  (declare (xargs :guard t))
  (let ((__function__ 'funinfop))
    (declare (ignorable __function__))
    (and (consp x)
         (eq (car x) :funinfo)
         (mbe :logic (and (alistp (cdr x))
                          (equal (strip-cars (cdr x))
                                 '(inputs outputs body)))
              :exec (fty::alist-with-carsp (cdr x)
                                           '(inputs outputs body)))
         (b* ((inputs (cdr (std::da-nth 0 (cdr x))))
              (outputs (cdr (std::da-nth 1 (cdr x))))
              (body (cdr (std::da-nth 2 (cdr x)))))
           (and (identifier-listp inputs)
                (identifier-listp outputs)
                (blockp body))))))

Theorem: consp-when-funinfop

(defthm consp-when-funinfop
  (implies (funinfop x) (consp x))
  :rule-classes :compound-recognizer)